dccp: Implement both feature-local and feature-remote Sequence Window feature

[linux-2.6-omap-h63xx.git] / net / dccp / ipv6.c

diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c
index d4ce1224e008f13ee4da674cec0c6047a3a9f25f..b963f35c65f6616ae5da169c3f328e7a73767ed0 100644 (file)
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -168,7 +168,7 @@ static void dccp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
                                goto out;
                        }
 
-                       err = xfrm_lookup(&dst, &fl, sk, 0);
+                       err = xfrm_lookup(net, &dst, &fl, sk, 0);
                        if (err < 0) {
                                sk->sk_err_soft = -err;
                                goto out;
@@ -279,7 +279,7 @@ static int dccp_v6_send_response(struct sock *sk, struct request_sock *req)
        if (final_p)
                ipv6_addr_copy(&fl.fl6_dst, final_p);
 
-       err = xfrm_lookup(&dst, &fl, sk, 0);
+       err = xfrm_lookup(sock_net(sk), &dst, &fl, sk, 0);
        if (err < 0)
                goto done;
 
@@ -304,6 +304,7 @@ done:
 
 static void dccp_v6_reqsk_destructor(struct request_sock *req)
 {
+       dccp_feat_list_purge(&dccp_rsk(req)->dreq_featneg);
        if (inet6_rsk(req)->pktopts != NULL)
                kfree_skb(inet6_rsk(req)->pktopts);
 }
@@ -342,7 +343,7 @@ static void dccp_v6_ctl_send_reset(struct sock *sk, struct sk_buff *rxskb)
 
        /* sk = NULL, but it is safe for now. RST socket required. */
        if (!ip6_dst_lookup(ctl_sk, &skb->dst, &fl)) {
-               if (xfrm_lookup(&skb->dst, &fl, NULL, 0) >= 0) {
+               if (xfrm_lookup(net, &skb->dst, &fl, NULL, 0) >= 0) {
                        ip6_xmit(ctl_sk, skb, &fl, NULL, 0);
                        DCCP_INC_STATS_BH(DCCP_MIB_OUTSEGS);
                        DCCP_INC_STATS_BH(DCCP_MIB_OUTRSTS);
@@ -426,7 +427,8 @@ static int dccp_v6_conn_request(struct sock *sk, struct sk_buff *skb)
        if (req == NULL)
                goto drop;
 
-       dccp_reqsk_init(req, skb);
+       if (dccp_reqsk_init(req, dccp_sk(sk), skb))
+               goto drop_and_free;
 
        dreq = dccp_rsk(req);
        if (dccp_parse_options(sk, dreq, skb))
@@ -567,7 +569,7 @@ static struct sock *dccp_v6_request_recv_sock(struct sock *sk,
                if (final_p)
                        ipv6_addr_copy(&fl.fl6_dst, final_p);
 
-               if ((xfrm_lookup(&dst, &fl, sk, 0)) < 0)
+               if ((xfrm_lookup(sock_net(sk), &dst, &fl, sk, 0)) < 0)
                        goto out;
        }
 
@@ -1002,7 +1004,7 @@ static int dccp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
        if (final_p)
                ipv6_addr_copy(&fl.fl6_dst, final_p);
 
-       err = __xfrm_lookup(&dst, &fl, sk, XFRM_LOOKUP_WAIT);
+       err = __xfrm_lookup(sock_net(sk), &dst, &fl, sk, XFRM_LOOKUP_WAIT);
        if (err < 0) {
                if (err == -EREMOTE)
                        err = ip6_dst_blackhole(sk, &dst, &fl);
@@ -1138,6 +1140,7 @@ static struct proto dccp_v6_prot = {
        .orphan_count      = &dccp_orphan_count,
        .max_header        = MAX_DCCP_HEADER,
        .obj_size          = sizeof(struct dccp6_sock),
+       .slab_flags        = SLAB_DESTROY_BY_RCU,
        .rsk_prot          = &dccp6_request_sock_ops,
        .twsk_prot         = &dccp6_timewait_sock_ops,
        .h.hashinfo        = &dccp_hashinfo,